Human Phenotype Ontology 
Grandparent Node:
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Localized skin lesion (HP:0011355)help
Parent Node:
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Abnormality of skin pigmentation (HP:0001000)help
Parent Node:
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Nevus (HP:0003764)help
..Starting node
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Melanocytic nevus (HP:0000995)help
Term ID: 995
Name: Melanocytic nevus
Synonym: Beauty mark; Melanocytic naevus; Melanocytic nevi; Nevocellular nevi; Noncancerous mole; Pigmented naevi; Pigmented nevi
Definition: A oval and round, colored (usually medium-to dark brown, reddish brown, or flesh colored) lesion. Typically, a melanocytic nevus is less than 6 mm in diameter, but may be much smaller or larger.
Comments:
Reference: HP:0000995
Genes and Diseases:
 
       Child Nodes:
........expandCongenital giant melanocytic nevus (HP:0005600) help
........expandNumerous congenital melanocytic nevi (HP:0005603) help
........expandHyperpigmented nevi and streak (HP:0005606) help
........expandHyperpigmented nevi (HP:0007481) help

 Sister Nodes: 
..expandAtypical nevi in non-sun exposed areas (HP:0001074) help
..expandAtypical nevus (HP:0001062) help
..expandBlue nevus (HP:0100814) help
..expandCongenital panfollicular nevus (HP:0025471) help
..expandConnective tissue nevi (HP:0100898) help
..expandEpidermal nevus (HP:0010816) help
..expandNevus flammeus (HP:0001052) help
..expandNevus of Ota (HP:0009920) help
..expandNevus sebaceus (HP:0025511) help
..expandNevus spilus (HP:0025510) help
..expandNumerous nevi (HP:0001054) help
InputHPO IDHPO termDistanceGeneGene id entrezHGNC IDDiseaseIdDiseaseNameFrequencyOnsetHGMD variantsClinVar variants
 
HPO disease - gene - phenotype typical associations:
 
HPO disease - gene - phenotype less frequent non-typical associations:
HP:0000995HP:0000995Melanocytic nevus0AKT1 CL E G H207391ORPHA:201Cowden syndromeHP:0040282 - Frequent54
HP:0000995HP:0000995Melanocytic nevus0AKT1 CL E G H207391ORPHA:744Proteus syndromeHP:0040281 - Very frequent54
HP:0000995HP:0000995Melanocytic nevus0BLOC1S5 CL E G H6391518561OMIM:619172HERMANSKY-PUDLAK SYNDROME 11; HPS11
HP:0000995HP:0000995Melanocytic nevus0BRAF CL E G H6731097ORPHA:500Noonan syndrome with multiple lentiginesHP:0040281 - Very frequent276
HP:0000995HP:0000995Melanocytic nevus0CBL CL E G H8671541ORPHA:648Noonan syndromeHP:0040283 - Occasional317
HP:0000995HP:0000995Melanocytic nevus0CDH3 CL E G H10011762ORPHA:1573Hypotrichosis with juvenile macular degenerationHP:0040283 - Occasional87
HP:0000995HP:0000995Melanocytic nevus0CHRNA7 CL E G H11391960ORPHA:19931815q13.3 microdeletion syndromeHP:0040283 - Occasional52
HP:0000995HP:0000995Melanocytic nevus0COL3A1 CL E G H12812201ORPHA:286Vascular Ehlers-Danlos syndromeHP:0040281 - Very frequent749
HP:0000995HP:0000995Melanocytic nevus0DDB2 CL E G H16432718ORPHA:910Xeroderma pigmentosumHP:0040283 - Occasional30
HP:0000995HP:0000995Melanocytic nevus0EED CL E G H87263188OMIM:617561Cohen-Gibson syndrome4
HP:0000995HP:0000995Melanocytic nevus0ERCC2 CL E G H20683434ORPHA:910Xeroderma pigmentosumHP:0040283 - Occasional106
HP:0000995HP:0000995Melanocytic nevus0ERCC3 CL E G H20713435ORPHA:910Xeroderma pigmentosumHP:0040283 - Occasional54
HP:0000995HP:0000995Melanocytic nevus0ERCC4 CL E G H20723436ORPHA:910Xeroderma pigmentosumHP:0040283 - Occasional158
HP:0000995HP:0000995Melanocytic nevus0ERCC5 CL E G H20733437ORPHA:910Xeroderma pigmentosumHP:0040283 - Occasional83
HP:0000995HP:0000995Melanocytic nevus0ERF CL E G H20773444ORPHA:207Crouzon diseaseHP:0040283 - Occasional12
HP:0000995HP:0000995Melanocytic nevus0EZH2 CL E G H21463527OMIM:277590Weaver syndrome81
HP:0000995HP:0000995Melanocytic nevus0FBN1 CL E G H22003603OMIM:616914Marfan lipodystrophy syndrome1361
HP:0000995HP:0000995Melanocytic nevus0FGFR2 CL E G H22633689ORPHA:207Crouzon diseaseHP:0040283 - Occasional175
HP:0000995HP:0000995Melanocytic nevus0FGFR2 CL E G H22633689ORPHA:1555Cutis gyrata-acanthosis nigricans-craniosynostosis syndromeHP:0040281 - Very frequent175
HP:0000995HP:0000995Melanocytic nevus0FGFR3 CL E G H22613690OMIM:612247Crouzon syndrome with acanthosis nigricans.145
HP:0000995HP:0000995Melanocytic nevus0FGFR3 CL E G H22613690OMIM:162900Epidermal nevus, somatic.145
HP:0000995HP:0000995Melanocytic nevus0FKBP10 CL E G H6068118169ORPHA:1149Kuskokwim syndromeHP:0040283 - Occasional61
HP:0000995HP:0000995Melanocytic nevus0HPS1 CL E G H32575163OMIM:203300Hermansky-Pudlak syndrome 1.121
HP:0000995HP:0000995Melanocytic nevus0HRAS CL E G H32655173OMIM:162900Epidermal nevus, somatic.113
HP:0000995HP:0000995Melanocytic nevus0HRAS CL E G H32655173ORPHA:2612Linear nevus sebaceus syndromeHP:0040281 - Very frequent113
HP:0000995HP:0000995Melanocytic nevus0HRAS CL E G H32655173OMIM:137550Melanocytic nevus syndrome, congenital113
HP:0000995HP:0000995Melanocytic nevus0HRAS CL E G H32655173ORPHA:2874Phakomatosis pigmentokeratotica113
HP:0000995HP:0000995Melanocytic nevus0IGF2 CL E G H34815466OMIM:616489Growth restriction, severe, with distinctive facies.9
HP:0000995HP:0000995Melanocytic nevus0KLLN CL E G H10014474837212ORPHA:201Cowden syndromeHP:0040282 - Frequent1
HP:0000995HP:0000995Melanocytic nevus0KRAS CL E G H38456407ORPHA:2612Linear nevus sebaceus syndromeHP:0040281 - Very frequent196
HP:0000995HP:0000995Melanocytic nevus0KRAS CL E G H38456407ORPHA:648Noonan syndromeHP:0040283 - Occasional196
HP:0000995HP:0000995Melanocytic nevus0LZTR1 CL E G H82166742ORPHA:648Noonan syndromeHP:0040283 - Occasional43
HP:0000995HP:0000995Melanocytic nevus0MC1R CL E G H41576929ORPHA:626Large congenital melanocytic nevus124
HP:0000995HP:0000995Melanocytic nevus0MC1R CL E G H41576929ORPHA:79432Oculocutaneous albinism type 2124
HP:0000995HP:0000995Melanocytic nevus0MPL CL E G H43527217ORPHA:3319Congenital amegakaryocytic thrombocytopeniaHP:0040282 - Frequent97
HP:0000995HP:0000995Melanocytic nevus0MRAS CL E G H228087227ORPHA:648Noonan syndromeHP:0040283 - Occasional
HP:0000995HP:0000995Melanocytic nevus0NFIX CL E G H47847788OMIM:602535Marshall-Smith syndrome40
HP:0000995HP:0000995Melanocytic nevus0NRAS CL E G H48937989OMIM:162900Epidermal nevus, somatic.102
HP:0000995HP:0000995Melanocytic nevus0NRAS CL E G H48937989ORPHA:626Large congenital melanocytic nevus102
HP:0000995HP:0000995Melanocytic nevus0NRAS CL E G H48937989ORPHA:2612Linear nevus sebaceus syndromeHP:0040281 - Very frequent102
HP:0000995HP:0000995Melanocytic nevus0NRAS CL E G H48937989OMIM:137550Melanocytic nevus syndrome, congenital102
HP:0000995HP:0000995Melanocytic nevus0NRAS CL E G H48937989OMIM:249400Neurocutaneous melanosis, somatic102
HP:0000995HP:0000995Melanocytic nevus0NRAS CL E G H48937989ORPHA:648Noonan syndromeHP:0040283 - Occasional102
HP:0000995HP:0000995Melanocytic nevus0OCA2 CL E G H49488101ORPHA:79432Oculocutaneous albinism type 2121
HP:0000995HP:0000995Melanocytic nevus0PDE4D CL E G H51448783ORPHA:950AcrodysostosisHP:0040283 - Occasional113
HP:0000995HP:0000995Melanocytic nevus0PIK3CA CL E G H52908975ORPHA:201Cowden syndromeHP:0040282 - Frequent162
HP:0000995HP:0000995Melanocytic nevus0PIK3CA CL E G H52908975OMIM:162900Epidermal nevus, somatic.162
HP:0000995HP:0000995Melanocytic nevus0PRKAR1A CL E G H55739388ORPHA:950AcrodysostosisHP:0040283 - Occasional134
HP:0000995HP:0000995Melanocytic nevus0PRKAR1A CL E G H55739388OMIM:101800Acrodysostosis 1, with or without hormone resistance.134
HP:0000995HP:0000995Melanocytic nevus0PTCH1 CL E G H57279585ORPHA:377Gorlin syndromeHP:0040281 - Very frequent665
HP:0000995HP:0000995Melanocytic nevus0PTCH2 CL E G H86439586ORPHA:377Gorlin syndromeHP:0040281 - Very frequent40
HP:0000995HP:0000995Melanocytic nevus0PTEN CL E G H57289588ORPHA:201Cowden syndromeHP:0040282 - Frequent948
HP:0000995HP:0000995Melanocytic nevus0PTEN CL E G H57289588ORPHA:744Proteus syndromeHP:0040281 - Very frequent948
HP:0000995HP:0000995Melanocytic nevus0PTPN11 CL E G H57819644ORPHA:648Noonan syndromeHP:0040283 - Occasional291
HP:0000995HP:0000995Melanocytic nevus0PTPN11 CL E G H57819644ORPHA:500Noonan syndrome with multiple lentiginesHP:0040281 - Very frequent291
HP:0000995HP:0000995Melanocytic nevus0RAF1 CL E G H58949829ORPHA:648Noonan syndromeHP:0040283 - Occasional212
HP:0000995HP:0000995Melanocytic nevus0RAF1 CL E G H58949829ORPHA:500Noonan syndrome with multiple lentiginesHP:0040281 - Very frequent212
HP:0000995HP:0000995Melanocytic nevus0RASA2 CL E G H59229872ORPHA:648Noonan syndromeHP:0040283 - Occasional3
HP:0000995HP:0000995Melanocytic nevus0RBM28 CL E G H5513121863OMIM:612079Alopecia, neurologic defects, and endocrinopathy syndrome.1
HP:0000995HP:0000995Melanocytic nevus0RBM28 CL E G H5513121863ORPHA:157954ANE syndrome1
HP:0000995HP:0000995Melanocytic nevus0RIT1 CL E G H601610023ORPHA:648Noonan syndromeHP:0040283 - Occasional39
HP:0000995HP:0000995Melanocytic nevus0RRAS CL E G H623710447ORPHA:648Noonan syndromeHP:0040283 - Occasional
HP:0000995HP:0000995Melanocytic nevus0RRAS2 CL E G H2280017271ORPHA:648Noonan syndromeHP:0040283 - Occasional1
HP:0000995HP:0000995Melanocytic nevus0SDHB CL E G H639010681ORPHA:201Cowden syndromeHP:0040282 - Frequent237
HP:0000995HP:0000995Melanocytic nevus0SDHC CL E G H639110682ORPHA:201Cowden syndromeHP:0040282 - Frequent147
HP:0000995HP:0000995Melanocytic nevus0SDHD CL E G H639210683ORPHA:201Cowden syndromeHP:0040282 - Frequent129
HP:0000995HP:0000995Melanocytic nevus0SEC23B CL E G H1048310702ORPHA:201Cowden syndromeHP:0040282 - Frequent60
HP:0000995HP:0000995Melanocytic nevus0SOS1 CL E G H665411187ORPHA:648Noonan syndromeHP:0040283 - Occasional315
HP:0000995HP:0000995Melanocytic nevus0SOS2 CL E G H665511188ORPHA:648Noonan syndromeHP:0040283 - Occasional30
HP:0000995HP:0000995Melanocytic nevus0SPRED2 CL E G H20073417722ORPHA:648Noonan syndromeHP:0040283 - Occasional
HP:0000995HP:0000995Melanocytic nevus0SPTBN1 CL E G H671111275OMIM:619475DEVELOPMENTAL DELAY, IMPAIRED SPEECH, AND BEHAVIORAL ABNORMALITIES; DDISBA
HP:0000995HP:0000995Melanocytic nevus0SUFU CL E G H5168416466ORPHA:377Gorlin syndromeHP:0040281 - Very frequent124
HP:0000995HP:0000995Melanocytic nevus0SUZ12 CL E G H2351217101OMIM:618786IMAGAWA-MATSUMOTO SYNDROME; IMMAS1
HP:0000995HP:0000995Melanocytic nevus0THPO CL E G H706611795ORPHA:3319Congenital amegakaryocytic thrombocytopeniaHP:0040282 - Frequent23
HP:0000995HP:0000995Melanocytic nevus0TNFRSF11A CL E G H879211908ORPHA:2801Juvenile Paget diseaseHP:0040283 - Occasional72
HP:0000995HP:0000995Melanocytic nevus0TNFRSF11B CL E G H498211909ORPHA:2801Juvenile Paget diseaseHP:0040283 - Occasional44
HP:0000995HP:0000995Melanocytic nevus0TP63 CL E G H862615979ORPHA:978ADULT syndromeHP:0040281 - Very frequent140
HP:0000995HP:0000995Melanocytic nevus0TYR CL E G H729912442ORPHA:79434Oculocutaneous albinism type 1BHP:0040282 - Frequent146
HP:0000995HP:0000995Melanocytic nevus0USF3 CL E G H20571730494ORPHA:201Cowden syndromeHP:0040282 - Frequent1
HP:0000995HP:0000995Melanocytic nevus0XPA CL E G H750712814ORPHA:910Xeroderma pigmentosumHP:0040283 - Occasional34
HP:0000995HP:0000995Melanocytic nevus0XPC CL E G H750812816ORPHA:910Xeroderma pigmentosumHP:0040283 - Occasional86
HP:0000995HP:0005606Hyperpigmented nevi and streak1 CL E G H
HP:0000995HP:0005600Congenital giant melanocytic nevus1HRAS CL E G H32655173OMIM:137550Melanocytic nevus syndrome, congenital.113
HP:0000995HP:0005600Congenital giant melanocytic nevus1MC1R CL E G H41576929ORPHA:626Large congenital melanocytic nevusHP:0040281 - Very frequent124
HP:0000995HP:0007481Hyperpigmented nevi1MC1R CL E G H41576929ORPHA:79432Oculocutaneous albinism type 2HP:0040284 - Very rare124
HP:0000995HP:0005600Congenital giant melanocytic nevus1NRAS CL E G H48937989ORPHA:626Large congenital melanocytic nevusHP:0040281 - Very frequent102
HP:0000995HP:0005600Congenital giant melanocytic nevus1NRAS CL E G H48937989OMIM:137550Melanocytic nevus syndrome, congenital.102
HP:0000995HP:0005603Numerous congenital melanocytic nevi1NRAS CL E G H48937989OMIM:249400Neurocutaneous melanosis, somatic.102
HP:0000995HP:0007481Hyperpigmented nevi1OCA2 CL E G H49488101ORPHA:79432Oculocutaneous albinism type 2HP:0040284 - Very rare121
HP:0000995HP:0007481Hyperpigmented nevi1RBM28 CL E G H5513121863ORPHA:157954ANE syndromeHP:0040282 - Frequent1


Genes (62) :AKT1 BLOC1S5 BRAF CBL CDH3 CHRNA7 COL3A1 DDB2 EED ERCC2 ERCC3 ERCC4 ERCC5 ERF EZH2 FBN1 FGFR2 FGFR3 FKBP10 HPS1 HRAS IGF2 KLLN KRAS LZTR1 MC1R MPL MRAS NFIX NRAS OCA2 PDE4D PIK3CA PRKAR1A PTCH1 PTCH2 PTEN PTPN11 RAF1 RASA2 RBM28 RIT1 RRAS RRAS2 SDHB SDHC SDHD SEC23B SOS1 SOS2 SPRED2 SPTBN1 SUFU SUZ12 THPO TNFRSF11A TNFRSF11B TP63 TYR USF3 XPA XPC

Diseases (37) :ORPHA:201 ORPHA:744 OMIM:619172 ORPHA:500 ORPHA:648 ORPHA:1573 ORPHA:199318 ORPHA:286 ORPHA:910 OMIM:617561 ORPHA:207 OMIM:277590 OMIM:616914 ORPHA:1555 OMIM:612247 OMIM:162900 ORPHA:1149 OMIM:203300 ORPHA:2612 OMIM:137550 ORPHA:2874 OMIM:616489 ORPHA:626 ORPHA:79432 ORPHA:3319 OMIM:602535 OMIM:249400 ORPHA:950 OMIM:101800 ORPHA:377 OMIM:612079 ORPHA:157954 OMIM:619475 OMIM:618786 ORPHA:2801 ORPHA:978 ORPHA:79434
 

Human Phenotype Ontology(HPO) is developed by the Human Phenotype Ontology Consortium. The version used here is December 15 2022 release.